Revert "config.params -> params"
Revert "config.params -> params"

this makes atc panic at the moment

This reverts commit 9af075b55e519795fac2c0b4bebeda5f27d3162a.

cjcjameson/concourse,concourse/concourse,cjcjameson/concourse,concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse,cjcjameson/concourse